Rtca Interrupt Enable Register - Epson S1C31W74 Technical Manual

Bit 8 ALARMIF
Bit 7 T1DAYIF
Bit 6 T1HURIF
Bit 5 T1MINIF
Bit 4 T1SECIF
Bit 3 T1_2SECIF
Bit 2 T1_4SECIF
Bit 1 T1_8SECIF
Bit 0 T1_32SECIF
These bits indicate the real-time clock interrupt cause occurrence status.
1 (R): Cause of interrupt occurred
0 (R): No cause of interrupt occurred
1 (W): Clear flag
0 (W): Ineffective
The following shows the correspondence between the bit and interrupt:
RTCAINTF. ALARMIF bit: Alarm interrupt
RTCAINTF.T1DAYIF bit:
RTCAINTF.T1HURIF bit:
RTCAINTF.T1MINIF bit:
RTCAINTF.T1SECIF bit:
RTCAINTF.T1_2SECIF bit: 1/2-second interrupt
RTCAINTF.T1_4SECIF bit: 1/4-second interrupt
RTCAINTF.T1_8SECIF bit: 1/8-second interrupt
RTCAINTF.T1_32SECIF bit: 1/32-second interrupt

RTCA Interrupt Enable Register

Register name Bit
RTCAINTE 15
14
13
12
11–9 –
8
7
6
5
4
3
2
1
0
Bit 15 RTCTRMIE
Bit 14 SW1IE
Bit 13 SW10IE
Bit 12 SW100IE
These bits enable real-time clock interrupts.
1 (R/W): Enable interrupts
0 (R/W): Disable interrupts
The following shows the correspondence between the bit and interrupt:
RTCAINTE.RTCTRMIE bit: Theoretical regulation completion interrupt
RTCAINTE.SW1IE bit:
RTCAINTE.SW10IE bit:
RTCAINTE.SW100IE bit:
S1C31W74 TECHNICAL MANUAL
(Rev. 1.1)
1-day interrupt
1-hour interrupt
1-minute interrupt
1-second interrupt
Bit name Initial
RTCTRMIE 0
SW1IE 0
SW10IE 0
SW100IE 0
0x0
ALARMIE 0
T1DAYIE 0
T1HURIE 0
T1MINIE 0
T1SECIE 0
T1_2SECIE 0
T1_4SECIE 0
T1_8SECIE 0
T1_32SECIE 0
Stopwatch 1 Hz interrupt
Stopwatch 10 Hz interrupt
Stopwatch 100 Hz interrupt
Seiko Epson Corporation
10 REAL-TIME CLOCK (RTCA)
Reset R/W
H0 R/W –
H0 R/W
H0 R/W
H0 R/W
– R
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
H0 R/W
Remarks
10-13